618813041 has 32 divisors (see below), whose sum is σ = 815947776. Its totient is φ = 455184000.

The previous prime is 618813029. The next prime is 618813059. The reversal of 618813041 is 140318816.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 618813041 - 2⁶ = 618812977 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 618812989 and 618813007.

It is not an unprimeable number, because it can be changed into a prime (618816041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94706 + ... + 101028.

It is an arithmetic number, because the mean of its divisors is an integer number (25498368).

Almost surely, 2^618813041 is an apocalyptic number.

It is an amenable number.

618813041 is a deficient number, since it is larger than the sum of its proper divisors (197134735).

618813041 is a wasteful number, since it uses less digits than its factorization.

618813041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 618813041 is about 24875.9530671691. The cubic root of 618813041 is about 852.1573989915.

The spelling of 618813041 in words is "six hundred eighteen million, eight hundred thirteen thousand, forty-one".